... Peanut skin,Sunflower shell,Coffee Shells and North-South crop st Charcoal machine production lineI.Brief Introduction:The device could crush the ... shell,Coffee Shells and North-South crop stalks,through the High temperature and pressure of briquette machine,then become the semi- ... special technology Security,and no risk.III. The purpose of machine-made charcoalI It is a waste -renewable energy fuels, ...